Blue alloy lightweight Solid Axle -diff assembly Kit.This diff will fit Tamiya all TT01 based cars.This part converts a normal Tamiya gear diff into a solid axle diff-locked diff.NO MORE HASSELS WITH HAVING TO BUY SPECIAL UNIS.

Fine tune the handling of your TT01 for drift or race.

Note-this item comes in 2 versions (Yeah send whatever they have at the time) they look slightly different but both do exactly the same job,so photo is for reference only.